From Longman Dictionary of Contemporary EnglishMademoiselleMad‧e‧moi‧selle /ˌmædəmwəˈzel/ noun (plural Mesdemoiselles /ˌmeɪdəmwəˈzel/) TALK TO somebodyWOMANused to address or refer to a young French-speaking woman who is not married → Madame, Monsieur Mademoiselle Dubois
Examples from the Corpus
Mademoiselle• Here are the couture workrooms and a door marked in large black letters' Mademoiselle.Origin Mademoiselle (1400-1500) French Old French ma damoisele “my (young) lady” 